R | |||
Real-time Blackhole List ( ) ( ) ( ) | |||
reducing hardware downtime ( ) | |||
relay blocking ( ) | |||
remote site failover ( ) ( ) | |||
replica role promotion ( ) | |||
reprocessing channel ( ) | |||
requirements | |||
business ( ) | |||
culture and politics ( ) | |||
financial ( ) | |||
Instant Messenger resources ( ) | |||
operation ( ) | |||
schema ( ) | |||
technical ( ) | |||
residential dial-up ( ) | |||
retrieving mail, internal user ( ) | |||
reverse DNS ( ) ( ) | |||
rewrite rules | |||
example ( ) | |||
message header ( ) | |||
purpose ( ) | |||
transport layer ( ) | |||
roaming users ( ) | |||
routers ( ) |